Sweeping-machine.



L. SHEETS-SHEBT 1.

PATBNTED NOV. 19, 1907.

J. LEDWINKA.

SWEESING MACHINE,

APPLICATION yum JU'Z'HIZiL 190s.

WITNESSES:

2 SHEETS-SHBET 2 PATENTED NOV. 19, 1907.

J. LEDWINKA. SWBEPING MACHINE.

APPLICATION FILED JUNE 28.1906.

wwmassas: 'fivz M y //,L fw

a STATES- PATENT, OFFICE.

and State of Pennsylvania, have invented corfipanying drawings. e I rovements relate to an electrically 10 current alternately from an external supply 1 system d y said-vehiclei krangedto cooperate with a railway supply a'trolley; pole adapted to engage an overhead,-

. wi're, and through contact'wheels which may '-25 :fnection with said track.

a traversed by the vehicle. As hereinafter de- "scribed, the sweeping mechanism comprises; improved means to raise. and lower said .35 allywith'respect'to the vehicle, so as to '-'tiack Without .digressing from the latter. L

#10. the respective wheels, and to so arrange theelectrical circuits in' the vehicle that all of the motors are connected in series tion when operated by the fexternalsupply 5 45.. -ated bythe internal battery supply system.

. 1 features of 'construction and arrangement 1 hereinafter more definitely-specifimL.

I I n n a vehicle conveniently embody ng. my inven- 5 Sweeping-Machines, whereof the following is overhead supplywire, and a subjacent track.. I 'Saidvehicle s provided with wheels which- I 0.

Qmotbrs are in electrical connection there- .iswee ing. 1nec-hanism,' com rising a rotary fqosEPH- LEDWINKA, OF rHILADELPHIA,

rENNsvLvANIA, AssmNoR- 'ro RUSSELL- "THAYER, OF PHILADELPHIA, PENNSYLVANIA.

{swEEr me-MAcHINn.

' Specification of Letters Patent.

1 Patented Nov. 19. 1907.

' i Application filed June 28. 1996- fiierial No. 323,859- x To all whom may concern: 3 ,Be it known that L Josnrn LEDWINKA, of Philadelphia, in thecounty of Philadelphia certain new. and useful Improvements .in

EaIsPecifieation, referencebeing had to the acyrm.

propelle -vehiele whichjderives its motor' and from a storage battery carrie 9.111 the form of my invention herein de scribed. .theflvehile is constructed and arsystem, whose electric circuit includes an support'it on 'said track while the vehicle with,such connection being efiected through he raisedand lowered to break or make c0n- It is the object of my invention to provide a vehicle ofthe' class contemplated with brus 1 operatively connectec with an electric motor,-- and arranged to sWeepthe surface brush and to adjust i t-angularly and later-- sweep the, surface upon either side of said also find it convenient to rovide saidsup- ,porting wheelswith indivi' ual motors local system, and in parallel-relation when oper- 'My. 1nvention comprises the various novel In the dravvinga'Figure I, is a plan view of 'Said motors 6, ma

with the controller .12, Said 'pole 18, is p'ro-' to cooperate, includes. the subjacent trackwheel and its motor, may be turned in a hori-,

ZOIltitlPlitIlB upon vertically disposed trim? nio-ns in bearings .7, on said frame, Said wheels 2, are coupled .in airs at the respectivel op osite ends of t e vehicle-andmay be irigi le byianyp convenient rheans,.to determine the direction of [progression of the. vehicle, whenit 1s desire to dlgress'from ,6

said track, for instance, such means ma -.com-

prise the vertical shaft 8, andhand w eel 9. r

be electrically connected either in series or arallel relation with each other by means 0 a controller 1.2, which is conveniently located -.ber'ieathithie chauffeurs s eat 13, and comprises the0per I ating lever 15; Said contro lerll iselec trically connected-with the pole 18, provided with the trolley. 19,- for electrical: connectionwith the overhead supply. wire 20. Said pole 18, ispivotedl-at 22, on the column 23, which is supported by .the platform I, and through which electrical connection ismade I vided with the spring 25, which tends to-1' normally upliftsaidpole :intoengagem'ent with sa d iupply wire 20. However, said pole ma oweredand maintained (lopressed ,y the rope 27, which may beadetachably secured to th 'cleat 28, on said platform 1.". v

' t: The electric circuit oftlierailwhy supply system with which said vehicle is arranged comprising the parallel rails" '30, and ,1 said :vehicle is arranged to make electricalconnection with .said rails 30, by :nieansof the' .ver-ticall oscillator 'frame*32 i7which-carries 19 a pair contactw ens-33, arran ed'to reg ister with the respe'ctive rails'. aid lra 32, being connected with the vehicle frame 3, by-the swivel. .joint 34, is so constructed, I

and arranged that it may also osciilate-horizontally to retain electrical -connectionwith 10h the rails while the vehicle is traversing curved sections of. track;-etc. :said elecv 2 v erntze be alternately raised and lowered by means of" the flexible connector 36, which is operw tively'connected with the lever 37. ltis to be understood that said contact devices, comprising the trolley pole 18, and 'fItLIilB 32,

are only utilized when thev'ehicle. is in corn nection With the external supply system;-

' When ,it is desired to electrically disconnect the vehicle from the external supply system;

sir-id pole 18, is lowered and the frame 32,

I 54-,conucetcd by the chains uplifted, and contemporrineously operative switch mechanism ed unctive to the contricel contact frame 32, and wheels '33, rosy here respectively troller 12, changes the connections from the external supply circuit to the internal supply circuit so as to include the batteries 40, in connection With seid motors 6. Said batteries 40, ereconveniently loos-ted in-the receptacle 41, in the frame 3, which is convenie'ntly'provided with the door 42, so that said batteries may be readily accessible. Said storage battery stO is connected by the controller "12,'with the secondary coil of atransforming device indicated at 45, which may be a'jydyna-rnotor or motor-generator ferre'nged' to take a primary direct currentfrom the railway supply system, at 500 volts and to generate a secondary direct current at say volts, to supply said storage battery and the l'0ur motors 6. The circuitot' said transforming device also includes an iron resistance medium which by reason of its natural increase in'resistence H1 correspondence w th any increase in its temperature, u-utonmticiilly-checks any tend-.

ency of the current to suddenly increase,

and, the arrangement contemplated has thc' ellect ol' nmintinning the current in the secondary circuit upproximntcly constant, thus enabling the vehicle motors ii, to operzitent consinut-spccd by current derived ll'OlH, u fluctuating supply circuit.

Sand plzitlorm i, also supports a sweeping device compr sing the rotary .brush- 5(), cur

ried by the shaft 51, which is jour'milcd in the l'rzimc 5;. Snidslml't 51, is proi'ided at its opposite ends With the sprocket wheels ,with sprocket wheels 56, on the shaft 57', in operative connection with the motor 58, whose cus'in; is securcd in rigid relation \i'ilh said frame 52. Said motor .58, of the sweeping device, is

else in operative connection with the dynamotor or other tinnslormm; device d5, end

with the controller 12, 1) that iis'opcrzttion nmy be controlled contomporm'i-eously with and independently of the control of the mo- Snid l'rumcjol, is pivotzilly connected torso.

at ($0, with two arms comprising the memhers (3i, and (32-, thefl'ormcr hcing'litted to slide longitudiimlly in the letter, lici'ngses cured in any desired positioi'i ol' :uljustmcnt hythe set screw iii}. Said :rrm members (52,

etc and which. it

in rotary m1 Worm e upon the hich are in rigid rei orni 69, on the pro 1 .Zded with the by the hrecl Each of said.

ith e roi side and ar- I sectoral pistes bearings 66, If. gears 67, and rn Verticai stand letioiii' with s 67, alre engaged. l shaft 71, which let 1 hand Wheel 7 2, and 1; oils 73, upon said iii-ill, arm nicini. 75, journzile ranged to trave rc cct. 76, .WlliOll are ere mounted to 101 said standards 6%, reeks 78, for en, wheels St), carried vertically upon re proveiled with W} ti Said Worm 77, which aft 81i,'Whichis.

mounted to rotate =5 82. Said shoit 81, is 'pro or oi its length with the norm e. Ii, en-

gaged by the worm '85, "ch is carried. bythe shaft 86, mounted to rot-ate in the bearings 87, and provided with the"hend The arrangement eboye described is such that in accordance with the directionoi rotation of the hand heel. 89, whereby the plates 76, ure-raisedor lower d, the brush. 50, may

, be raised or lowered with respect to the-sun face traversed by the veh cle. Send brush 50, mayalso be adjusted to sweep upon eitherside of the tr 'liS .30, in accordance With-tilt rotary posit on of adjustment oi the Worm gears 67, w ich carry arms 62,

tnrent niey' e cil'eeted l I the rotu'rcs of my invention.

l (dammitl. The combination with "vertical stand -:n'ds; of arms pivotstlly supported on said stundzrrdsfn' ironic carried. by the free ends of sitid arms; a brush wheel mounted to rointo in said frame; it countcrshnl t in said frame; it inotor opcrstivcly related to said cinintcrshult;:und, moons arranged to adjusl'ubly vary the lcngjtii'ol said arms, suh-- stzintiully set forth. a

2. The combination with vertical standol" said arms; 1i brush whit-cl mounted to rotate in said frame; 11 eounicrshzii't in said ironic; e motor operzttivoly related to sand nrds; oi -arms pivotelly supported on said standards; o ironic curried by ihc'irce ends countershaft and; means ar fancred Ito raise 9-."The combinationwithabrusli'wheeh0f: and lower said arms with respect hiele, comprising a sectoral plate mounted for vertical reciprocation on one of said standards and carrying a raek;.'and,' a gear wheel operatively connected with said rack,

' substantially as setforth.

The combination with vertical standards; of arms pivotally supported in rotary' bearings on said standards; worm gear sectors rigidly connected with said rotary bear- .lIl-gS;-WOIH1S rigidly connected with a. common shaft and respectively in operative relation with said sectors; seetoralplates ar.-

ranged to support said arms, carried by-respective sleeves mounted to reciprocate-on fsaidstandards and provided'with racks gear shaft and respectively in operative relation ried by the free-ends of said arms; a brush wheel mounted to rotate in said frame; a.

wheels rigidly; connected witha common with said racks a worm in operative rela tion with the last named shaft; a frame car.-

countershaftin said frame; and, a motor'o 4 stantially as setforth.

4. The combination -wi ards; ofarms pivotally supported on said standards and comprising longitudinally ad justable members 'a frame carried. by-jthe free ends of said arms a brush wheel mount- -ed to rotate iii-said frame; and, almotor ogeratively related to said brush wheel, su 7 stantially as set forth.

' ards; of an armsupportedon said standards,

I a motor o 'ieratively related to said wheel; and, means supporting said brush wheel from said' vehicle ailjilstz'tble vertically and horn- 5. The combination with vertical standarranged to o cillate verticallyand horizontally; a frame carried by the free ends of said arm; a brush wheel mounted to rotate in said frame; and, a motor.0peratively connected with said brush wheel, substantially as set ,justahle members, whereby the length 0 said.

arms may be variably determined; a frame carried by the free ends of said arms; a brush wheel mounted to rotate in. sa d frame; and,

a motor operatively related to said brush wheel,substantially as set forth.

7. 'lhe,comlnlnation with a brush wheel; of

zontally to detern-iine the positionof said brush wheel, substantially as set forth. 2

8, The combination witha brush wheel; of-

a motor operatively co'nne ctedwvith said brush wheel; an arnrsupporting-said brush wheel; a worm gear sector operatlv'ely; eonnected with said arm; and,- a worm engaging ,said'sector, substantially as set l'orth.

to said vet -h vertical standa motor operatively related to said7brush wheel; an arm carrying said brush wheel and the latter,-comprising avertically adjustable sleeve, substantially as set forth'. A 10. The'combi-nation with; a brush wheel; of a motor operatively related to said brush the latter, com rising a-vertieallyadjustable sleeve provide with a rack, substantially as set forth. i i

' wheel ;an arm carrying said brush wheel and, v 1

pivotally supported on.said vehicle; and,

. o -'.1 1;Thecombination-'with a vehicle; or ,arm-s pivotallysupported on said vehicle ;;a

framecarried by the free ends of said arms; a brush wheel mounted, to "rotate in' said frarx'ie;ano a motor carried said frame, in operat ve relation with said brush wheel;

said brush wheel and-motor being movable by 'said.ar1iis relativelyfto sail. vehicle, sub-' stantially as setforth.

12. 'The' combination with a vehicle; of

arms, pivotally supported on said vehicle; a

frame carried by the'freeends of said arms;

a brush wheel mounted to rotate insaid ,f-rame; a countershaft'insaid frame; a motor.

carriedb said frame ifcperativerelation Wltli sai countershaft; and means opera-1 tive'ly connecting said'countershaft with said -brush'wheel; said bruslrwheel and motorbeh vehicle, substantially as set forth.

' 13. The combination with-a vehicle; of arms pivotally supported on said vehicle, arranged to' oscillate -laterally with'res'ect in' movable by said arms, relatively to said thereto; afraine .carried by the free on; s of sa d arms; a 'brush wheel mounted to rotate 'insaidframe; and amotor operativelycom nected with said brush wheel, substantially asset forth.

' 1-4. 'lhea'combination witli-' a'.vehiele; or, arms pivotallysupported on said vehicle, arranged to oscillate laterally .with. respect theretma frame carriedby the free ems of said arms; a brush wheelunounted to rotate.

in said framefand' a motorearried by said frame in operative relation with said-brusl'i wheel; said brush wheel and'mot'or being movable by said arms relatively to said vehicle, substantially as; set forth.

z, 15. The combination with a vehicle; 'of' 'arms pivotally supported on said vehicle to oscillate both vertically and horizontally ;.a frame carriedby the free ends of said'arms; a brush wheel'mounted-to rotatein said frame; and a motor ope'ratively connected with said brush wheel,-substantially as set forth.

lit-The combination with a vehicle; ol"

.arms pivotally supported on said vehicle to, prising means Wherebythe effective length of oscillate both vertically and horizontally; a said arm may be varied, substantially as set r'fraine carried by the free ends of said arms; a I forth. 7 brush Wheel mounted'to rotate in said frame In testimony whereof, I have hereunto 1 5 and a motor carried by said frmne and operasigned my name at Philadelphia, State of tively connected with said brush Wheel, sub- Pennsylvania, this 27th day of June 1906-.

stantially as set forth. JOSEPH LEDWINKA' 17. The combination With a vehicle; of a I brush wheel; a motor operatively connected Witnesses: 10 with said brush Wheel; and an arm oonnect- AMBROSE F. FORD,

ing said brush wheel with said vehicle, com- JOSEPH R; GEORGE. 

